AddTestFlowsCommand.java
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/*
* Copyright 2014-2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.cli.net;
import java.util.ArrayList;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.apache.commons.lang.math.RandomUtils;
import org.apache.karaf.shell.commands.Argument;
import org.apache.karaf.shell.commands.Command;
import org.onlab.packet.MacAddress;
import org.onosproject.cli.AbstractShellCommand;
import org.onosproject.core.ApplicationId;
import org.onosproject.core.CoreService;
import org.onosproject.net.Device;
import org.onosproject.net.PortNumber;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.flow.DefaultFlowRule;
import org.onosproject.net.flow.DefaultTrafficSelector;
import org.onosproject.net.flow.DefaultTrafficTreatment;
import org.onosproject.net.flow.FlowRule;
import org.onosproject.net.flow.FlowRuleOperations;
import org.onosproject.net.flow.FlowRuleOperationsContext;
import org.onosproject.net.flow.FlowRuleService;
import org.onosproject.net.flow.TrafficSelector;
import org.onosproject.net.flow.TrafficTreatment;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.google.common.base.Stopwatch;
import com.google.common.collect.Lists;
/**
* Installs bulk flows.
*/
@Command(scope = "onos", name = "add-test-flows",
description = "Installs a number of test flow rules - for testing only")
public class AddTestFlowsCommand extends AbstractShellCommand {
private CountDownLatch latch;
@Argument(index = 0, name = "flowPerDevice", description = "Number of flows to add per device",
required = true, multiValued = false)
String flows = null;
@Argument(index = 1, name = "numOfRuns", description = "Number of iterations",
required = true, multiValued = false)
String numOfRuns = null;
@Override
@java.lang.SuppressWarnings("squid:S1148")
protected void execute() {
FlowRuleService flowService = get(FlowRuleService.class);
DeviceService deviceService = get(DeviceService.class);
CoreService coreService = get(CoreService.class);
ApplicationId appId = coreService.registerApplication("onos.test.flow.installer");
int flowsPerDevice = Integer.parseInt(flows);
int num = Integer.parseInt(numOfRuns);
ArrayList<Long> results = Lists.newArrayList();
Iterable<Device> devices = deviceService.getDevices();
TrafficTreatment treatment = DefaultTrafficTreatment.builder()
.setOutput(PortNumber.portNumber(RandomUtils.nextInt())).build();
TrafficSelector.Builder sbuilder;
FlowRuleOperations.Builder rules = FlowRuleOperations.builder();
FlowRuleOperations.Builder remove = FlowRuleOperations.builder();
for (Device d : devices) {
for (int i = 0; i < flowsPerDevice; i++) {
sbuilder = DefaultTrafficSelector.builder();
sbuilder.matchEthSrc(MacAddress.valueOf(RandomUtils.nextInt() * i))
.matchEthDst(MacAddress.valueOf((Integer.MAX_VALUE - i) * RandomUtils.nextInt()));
int randomPriority = RandomUtils.nextInt();
FlowRule addRule = DefaultFlowRule.builder()
.forDevice(d.id())
.withSelector(sbuilder.build())
.withTreatment(treatment)
.withPriority(randomPriority)
.fromApp(appId)
.makeTemporary(10)
.build();
FlowRule removeRule = DefaultFlowRule.builder()
.forDevice(d.id())
.withSelector(sbuilder.build())
.withTreatment(treatment)
.withPriority(randomPriority)
.fromApp(appId)
.makeTemporary(10)
.build();
rules.add(addRule);
remove.remove(removeRule);
}
}
for (int i = 0; i < num; i++) {
latch = new CountDownLatch(2);
flowService.apply(rules.build(new FlowRuleOperationsContext() {
private final Stopwatch timer = Stopwatch.createStarted();
@Override
public void onSuccess(FlowRuleOperations ops) {
timer.stop();
results.add(timer.elapsed(TimeUnit.MILLISECONDS));
if (results.size() == num) {
if (outputJson()) {
print("%s", json(new ObjectMapper(), true, results));
} else {
printTime(true, results);
}
}
latch.countDown();
}
}));
flowService.apply(remove.build(new FlowRuleOperationsContext() {
@Override
public void onSuccess(FlowRuleOperations ops) {
latch.countDown();
}
}));
try {
latch.await();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
private Object json(ObjectMapper mapper, boolean isSuccess, ArrayList<Long> elapsed) {
ObjectNode result = mapper.createObjectNode();
result.put("Success", isSuccess);
ArrayNode node = result.putArray("elapsed-time");
for (Long v : elapsed) {
node.add(v);
}
return result;
}
private void printTime(boolean isSuccess, ArrayList<Long> elapsed) {
print("Run is %s.", isSuccess ? "success" : "failure");
for (int i = 0; i < elapsed.size(); i++) {
print(" Run %s : %s", i, elapsed.get(i));
}
}
}